000			00335nam a2200133Ia 4500
008			220108s9999||||xx |||||||||||||| ||und||
100			_aCHARANJEET SINGH
245		0	_aDATA COMMUNICATION AND COMPUTED NETWORKS
250			_a2ND
260			_bKALYANI PUB,N.DELHI _c2011
300			_a14.37
650			_aCOMPUTER SCIENCE
942			_cREF
999			_c21448 _d21448